A human being regarded as an individual. A category used in the classification of pronouns, possessive determiners, and verb forms, according to whether they indicate the speaker ( first person ) , the addressee ( second person ) , or a third party ( third person ). Each of the three modes of being of God, namely the Father, the Son, or the Holy Spirit, who together constitute the Trinity. Used as a neutral alternative to -man in nouns denoting professional status, a position of authority, etc..